Reflex actions are useful. Explain why. (2 marks)

(Use eyes and changes in light as example)

Label the following statements as either True or False. Some enzymes remove single amino acids from proteins by beginning at the amine or N-terminus.

In a life cycle with alternation of generations, multicellular haploid forms alternate with a. unicellular haploid forms. b. unicellular diploid forms. c. multicellular haploid forms. d. multicellular diploid forms.

If a person's cerebellum were damaged in an accident, you would expect that person to have problems with:

Species are disappearing almost a thousand times faster than they are forming. What is the main cause? reproductive isolation continental drift natural disasters human impact

Which of the following groups are responsible for both water quantity and water quality conservation techniques? Communities Farmers Businesses All of the above

The "ball of the foot" normally carries about 40% of the weight of the body. What is the ball of the foot?

Why might a baby be born early if the mother smokes?

It is crucial that the process or mitosis is error free. this is because otherwise healthy cells can

How does blood move through the body?

The sinuses are a defect in bone growth and have no real purpose. a. True b. False